.landing-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f2f5;
}

.ip-query-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
}

h1 {
    text-align: center;
    color: #1890ff;
    margin-bottom: 2rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
}

button {
    padding: 0.5rem 1.5rem;
    background-color: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #40a9ff;
}

button:disabled {
    background-color: #d9d9d9;
    cursor: not-allowed;
}

.error-message {
    color: #ff4d4f;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background-color: #fff1f0;
    border: 1px solid #ffccc7;
    border-radius: 4px;
}

.result {
    background-color: #f6f6f6;
    padding: 1rem;
    border-radius: 4px;
}

.result p {
    margin: 0.5rem 0;
}

.result strong {
    margin-right: 0.5rem;
    color: #666;
}

.footer-info {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.beian-info {
    font-size: 14px;
    color: #666;
}

.beian-info a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.beian-info .separator {
    margin: 0 10px;
    color: #999;
}

.data-source {
    font-size: 12px;
    color: #999;
    text-align: right;
    position: fixed;
    bottom: 20px;
    right: 20px;
}

.data-source a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.data-source a:hover {
    color: #666;
}